def __init__(self, topLeft, bottomLeft, bottomRight, topRight):
""" Constructor
Sets the logging level and the topLeft, bottomLeft, bottomRight, topRight
fields of this class
Keyword Arguments:
topLeft -- topLeft coordinate of the Stage(the absolute topLeft)
bottomLeft -- bottomLeft coordinate of the Stage(the absolute bottomLeft)
bottomRight -- bottomRight coordinate of the Stage(the absolute bottomRight)
topRight -- topRight coordinate of the Stage(the absolute topRight)
"""
Quadrilateral.__init__(self, topLeft, bottomLeft, bottomRight, topRight)
def __str__(self):
""" Human readable representation
Returns:
str -- all the information regarding the Calibrator
"""
return 'Calibrator: {0}'.format(Quadrilateral.__str__(self))
def __init__(self, aux, points):
''' Constructor
Sets the logging level, and the aux and points fields
This method also computes all QR properties namely:
height, width, rotation, and the corrected
topLeft, topRight, bottomLeft, bottomRight coordinates
Keyword arguments:
aux -- aux_id used to get calibration data refer:DB Schema
points -- a tuple of 4 Geometry.Point objects representing the co-ordinates for the QR code
'''
self.aux = aux
# The raw QR points
self.points = points
v23 = points[2] - points[1]
v21 = points[0] - points[1]
self.width = v23.distance()
self.height = v21.distance()
rotation = math.degrees(math.atan2(*reversed(v23 / self.width)))
# bound rotation to 0 to 360
if rotation < 0 or rotation > 360:
rotation -= math.floor(rotation / 360.0) * 360
self.rotation = rotation
# This is not technically the corners, but instead
# adjusted for the alignment point (which is offset
# from the other points)
#!! this will change if you change the QR code (at least it just did)
Quadrilateral.__init__(self, points[1], (points[0] - v21 / 7.4), points[3], (points[2] - v23 / 7.0))
def __str__(self):
""" Human readable representation
Returns:
str -- all the information regarding the QR code
"""
return 'QR: aux:{0}, points:{1}, width:{2}, height:{3}, rotation:{4}, {5}'.format(self.aux,
self.points,
self.width,
self.height,
self.rotation,
Quadrilateral.__str__(self))